New here and I am working on a very custom AIO Disk, I thought I could trim the disk down by doing a filecompare of the XP PRO/HOME/VOL disks and create a common pool of files that each "TXTSETUP.SIF" file will reference to (keeping the obvious files like winnt32.exe and such in their respective folders of course) but I am lost on the syntax it uses per file to notate which "SourceDisksName" the file is copied from. I have added a 5th disk source but I dont know which part of "tdi.sys = 100,,,,,,,4,0,0,,1,4", for example, to change. I understand that one digit is the destination directory and whatnot but I cant decipher which area specifies the source. Thanks for your help